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INTRODUCTION: New strategies are needed to lower health care costs and address the health care needs of communities, especially for marginalized persons and subpopulations. Improved education in health systems, which encompasses population, community, preventive, and public health, is one way to better train the future physician workforce to meet national and local health care needs. This resource was created as part of an 18-month science of health systems and navigation curriculum. METHODS: The purpose of this resource is to use the socioecological model lens to analyze health disparities for marginalized persons and subpopulations. A medically and socially complex patient with HIV is presented as the initial case study that leads to identification of barriers and needs on individual, community, and public policy levels. This is an active-learning resource that includes both small- and large-group discussion driven by self-directed learners using the provided resources. RESULTS: This resource was successfully implemented as a required session for 150 medical students beginning the second year of medical school. A cohort of 21 students randomly selected to complete a standard online course evaluation for the session, rated their agreement (1 = strong disagreement, 5 = strong agreement) to the statement "Rate the extent to which the lecture supported your mastery of the learning objectives," as 4.4, on average. DISCUSSION: This curriculum has been implemented and evaluated for medical students, but it is broadly applicable to residents and interprofessional students in health-related fields. It is designed to give learners a practical medical context for the application of principles that may be taught within a health systems or population health course.
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PURPOSE: To accurately hypothesize the optimal frequency of psychosocial distress screening in patients undergoing radiation therapy using exploratory modeling of prospective data. MATERIALS AND METHODS: Between October 2010 and May 2011, 71 RT patients underwent daily screening with the Distress Thermometer. Prevalences of Distress Thermometer scores ≥ 4 were recorded. Optimal screening frequency was evaluated by planned post hoc comparison of prevalence rates and required screening events estimated by numerical modeling, consisting of data point omission to mimic weekly, every-other-week, monthly, and one-time screening intervals. Dependence on clinical variables and chronologic trends were assessed as secondary end points. RESULTS: A total of 2,028 daily screening events identified that 37% of patients reported distress at least once during the course of treatment. Weekly, every-other-week, monthly, and one-time screening models estimated distress prevalences of 32%, 31%, 23%, and 17%, respectively, but required only 21%, 12%, 7%, and 4% of the assessments required for daily screening. No clinical parameter significantly predicted distress in univariable analysis, but "alone" living situation trended toward significance (P = .06). Physician-reported grade 3 toxicity predicted distress with 98% specificity, but only 19% sensitivity. CONCLUSION: Thirty-seven percent of radiation oncology patients reported distress at least once during treatment. Screening at every-other-week intervals optimized efficiency and frequency, identifying nearly 90% of distressed patients with 12% of the screening events compared with daily screening.
